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Finding the Third Proportional to 9,215,392 and 20,476,160

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Solution

The third proportional to 9,215,392 and 20,476,160 is: 45,497,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,392 : 20,476,160 = 20,476,160 : x
  2. Step 2: Convert to fraction form
    9,215,392/20,476,160 = 20,476,160/x
  3. Step 3: Cross multiply
    9,215,392x = 20,476,160 × 20,476,160
  4. Step 4: Simplify right side
    9,215,392x = 419,273,128,345,600
  5. Step 5: Solve for x
    x = 419,273,128,345,600/9,215,392
  6. Step 6: Final answer
    x = 45,497,047.59

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.